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Finding the Third Proportional to 1,354,389.19 and 2,820,877.31

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Solution

The third proportional to 1,354,389.19 and 2,820,877.31 is: 5,875,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,389.19 : 2,820,877.31 = 2,820,877.31 : x
  2. Step 2: Convert to fraction form
    1,354,389.19/2,820,877.31 = 2,820,877.31/x
  3. Step 3: Cross multiply
    1,354,389.19x = 2,820,877.31 × 2,820,877.31
  4. Step 4: Simplify right side
    1,354,389.19x = 7,957,348,812,177.22
  5. Step 5: Solve for x
    x = 7,957,348,812,177.22/1,354,389.19
  6. Step 6: Final answer
    x = 5,875,230.61

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.